Switch User Manual

Chapter 29: System Maintenance and Administration
Avidia System Configuration and Management User Manual 565
2 Select the slot and port on which you want to initiate a loopback, then click OK.
See the following sections to initiate loopbacks for specific line card types:
• “OC3 Loopbacks” on page 565
• “DS1 Loopbacks” on page 566
• “DS3 Loopbacks” on page 567
OC3 Loopbacks
Initiate OC3 loopbacks from the OC3 Configuration window.
1 In the Loopback box, select the loopback type you want to initiate, either
Local or Line. The
table on page 564 describes these loopbacks.
2 Click Set to initiate the loopback.
To disable the loopback and return the port to normal service, set the
Loopback box to None and
click
Set.